RM
Underside of a slug, SEM
Slug. Coloured scanning electron micrograph (SEM) of the underside of a slug (order Gastropoda). The underside of the slug is covered in microscopic hair-like projections known as cilia (yellow). Here the cilia are seen surrounded by mucus (slime, pink). Cilia beat in wave-like movements helping to propel the slug and disperse its slime.
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